function swapColor(id_men, id_a){
	if(document.getElementById(id_men).className=="td_menumainrow")
	{
		document.getElementById(id_men).className="td_menumainrow_high";
		document.getElementById(id_a).className="menumainrow-high";
	}
	else
	{
		document.getElementById(id_men).className="td_menumainrow";
		document.getElementById(id_a).className="menumainrow";
	}
}